Ph
氢离子指数\\n[医] 药典; 苯基
🗣️ 情景例句
I care about more lockers for the teachers.
我关心教师要有更多的储物柜。
Love sought is good, but given unsought is better.
追求而得的爱情固然美好，但不经追求而得的爱情更为美好。
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？